/* AI Agent Chat Widget
 * Matches the site's dark navy / coral palette and glass-panel aesthetic.
 * All tokens inherit from :root in main.css.
 */

/* ── Floating trigger button ──────────────────────────────────────────────── */
#agent-toggle {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 9000;
  width: 3.25rem;
  height: 3.25rem;
  border-radius: 50%;
  border: none;
  cursor: pointer;
  background: var(--coral, #FF6B5F);
  color: #fff;
  box-shadow: 0 6px 28px rgba(255, 107, 95, 0.46);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  outline-offset: 3px;
}

#agent-toggle:hover {
  background: var(--coral-deep, #E4473A);
  box-shadow: 0 8px 34px rgba(255, 107, 95, 0.62);
  transform: scale(1.06);
}

#agent-toggle:focus-visible {
  outline: 2px solid var(--sky, #8FD7FF);
}

#agent-toggle svg {
  width: 1.5rem;
  height: 1.5rem;
  pointer-events: none;
  transition: opacity 0.15s;
}

/* hide/show icons based on state */
#agent-toggle .icon-chat { display: block; }
#agent-toggle .icon-close { display: none; }
#agent-toggle.open .icon-chat { display: none; }
#agent-toggle.open .icon-close { display: block; }

/* ── Panel ────────────────────────────────────────────────────────────────── */
#agent-panel {
  position: fixed;
  bottom: 5.5rem;
  right: 1.5rem;
  z-index: 8999;
  width: min(420px, calc(100vw - 2rem));
  height: min(560px, calc(100vh - 7rem));
  display: flex;
  flex-direction: column;
  border-radius: var(--radius, 22px);
  background: var(--panel-strong, rgba(13, 43, 79, 0.94));
  border: 1px solid rgba(145, 166, 195, 0.22);
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.52), 0 0 0 1px rgba(255,107,95,0.08);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  overflow: hidden;
  transform-origin: bottom right;
  transition: opacity 0.22s ease, transform 0.22s cubic-bezier(0.34, 1.56, 0.64, 1);
}

#agent-panel[hidden] {
  display: none;
}

#agent-panel.entering {
  opacity: 0;
  transform: scale(0.88) translateY(12px);
}

/* ── Panel header ─────────────────────────────────────────────────────────── */
#agent-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--rule, rgba(145, 166, 195, 0.22));
  background: linear-gradient(135deg, rgba(255,107,95,0.12) 0%, transparent 60%);
  flex-shrink: 0;
}

#agent-header .agent-avatar {
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: var(--coral, #FF6B5F);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}

#agent-header .agent-title {
  flex: 1;
  min-width: 0;
}

#agent-header .agent-title strong {
  display: block;
  font-family: var(--body, sans-serif);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--ink, #fff);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

#agent-header .agent-title span {
  font-size: 0.72rem;
  color: var(--ink-muted, #91A6C3);
}

.agent-status-dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--ok, #22C55E);
  box-shadow: 0 0 6px var(--ok, #22C55E);
  margin-left: auto;
}

.agent-status-dot.thinking {
  background: var(--warn, #F59E0B);
  box-shadow: 0 0 6px var(--warn, #F59E0B);
  animation: pulse 1s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

/* ── Message thread ───────────────────────────────────────────────────────── */
#agent-messages {
  flex: 1;
  overflow-y: auto;
  padding: 1rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  scroll-behavior: smooth;
}

#agent-messages::-webkit-scrollbar {
  width: 4px;
}
#agent-messages::-webkit-scrollbar-track {
  background: transparent;
}
#agent-messages::-webkit-scrollbar-thumb {
  background: var(--rule, rgba(145, 166, 195, 0.22));
  border-radius: 2px;
}

.agent-msg {
  max-width: 86%;
  padding: 0.65rem 0.9rem;
  border-radius: 14px;
  font-size: 0.845rem;
  line-height: 1.55;
  word-break: break-word;
  animation: msg-in 0.18s ease;
}

@keyframes msg-in {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.agent-msg.assistant {
  align-self: flex-start;
  background: rgba(10, 35, 66, 0.72);
  border: 1px solid var(--rule, rgba(145, 166, 195, 0.22));
  color: var(--ink-soft, #D7E2F0);
  border-bottom-left-radius: 4px;
}

.agent-msg.user {
  align-self: flex-end;
  background: var(--coral, #FF6B5F);
  color: #fff;
  border-bottom-right-radius: 4px;
}

.agent-msg.assistant a {
  color: var(--sky, #8FD7FF);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.agent-msg.error {
  align-self: stretch;
  background: rgba(239, 68, 68, 0.14);
  border: 1px solid rgba(239, 68, 68, 0.32);
  color: #fca5a5;
  font-size: 0.8rem;
  border-radius: 10px;
  text-align: center;
}

/* Typing indicator */
.agent-typing {
  align-self: flex-start;
  display: flex;
  gap: 0.3rem;
  padding: 0.65rem 0.9rem;
  background: rgba(10, 35, 66, 0.72);
  border: 1px solid var(--rule, rgba(145, 166, 195, 0.22));
  border-radius: 14px;
  border-bottom-left-radius: 4px;
}

.agent-typing span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ink-muted, #91A6C3);
  animation: bounce 1.2s ease infinite;
}

.agent-typing span:nth-child(2) { animation-delay: 0.18s; }
.agent-typing span:nth-child(3) { animation-delay: 0.36s; }

@keyframes bounce {
  0%, 60%, 100% { transform: translateY(0); }
  30%           { transform: translateY(-5px); }
}

/* ── Key input screen ─────────────────────────────────────────────────────── */
#agent-key-screen {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  gap: 1rem;
  text-align: center;
}

#agent-key-screen p {
  font-size: 0.82rem;
  color: var(--ink-muted, #91A6C3);
  line-height: 1.5;
}

#agent-key-screen strong {
  display: block;
  font-size: 0.9rem;
  color: var(--ink-soft, #D7E2F0);
  margin-bottom: 0.25rem;
}

.agent-key-form {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  width: 100%;
}

.agent-key-input {
  width: 100%;
  padding: 0.6rem 0.85rem;
  border-radius: 10px;
  border: 1px solid var(--rule, rgba(145, 166, 195, 0.22));
  background: rgba(10, 35, 66, 0.6);
  color: var(--ink, #fff);
  font-family: var(--mono, monospace);
  font-size: 0.78rem;
  outline: none;
  transition: border-color 0.15s;
}

.agent-key-input:focus {
  border-color: var(--coral, #FF6B5F);
}

.agent-key-input::placeholder {
  color: var(--ink-muted, #91A6C3);
  opacity: 0.7;
}

.agent-key-note {
  font-size: 0.72rem !important;
  color: var(--ink-muted, #91A6C3) !important;
}

/* ── Footer / input bar ───────────────────────────────────────────────────── */
#agent-footer {
  display: flex;
  align-items: flex-end;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  border-top: 1px solid var(--rule, rgba(145, 166, 195, 0.22));
  flex-shrink: 0;
}

#agent-input {
  flex: 1;
  min-height: 2.4rem;
  max-height: 7rem;
  padding: 0.55rem 0.85rem;
  border-radius: 12px;
  border: 1px solid var(--rule, rgba(145, 166, 195, 0.22));
  background: rgba(10, 35, 66, 0.6);
  color: var(--ink, #fff);
  font-family: var(--body, sans-serif);
  font-size: 0.855rem;
  line-height: 1.45;
  resize: none;
  outline: none;
  overflow-y: auto;
  transition: border-color 0.15s;
}

#agent-input:focus {
  border-color: var(--coral, #FF6B5F);
}

#agent-input::placeholder {
  color: var(--ink-muted, #91A6C3);
  opacity: 0.7;
}

#agent-send {
  flex-shrink: 0;
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  background: var(--coral, #FF6B5F);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s, transform 0.1s;
}

#agent-send:hover:not(:disabled) {
  background: var(--coral-deep, #E4473A);
}

#agent-send:active:not(:disabled) {
  transform: scale(0.93);
}

#agent-send:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

#agent-send svg {
  width: 1.1rem;
  height: 1.1rem;
  pointer-events: none;
}

/* ── Key management link ──────────────────────────────────────────────────── */
.agent-footer-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.4rem 1rem 0.3rem;
  border-top: 1px solid var(--rule-soft, rgba(145, 166, 195, 0.12));
  flex-shrink: 0;
}

.agent-footer-meta button {
  background: none;
  border: none;
  color: var(--ink-muted, #91A6C3);
  font-size: 0.7rem;
  cursor: pointer;
  padding: 0;
  font-family: inherit;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.agent-footer-meta button:hover {
  color: var(--coral, #FF6B5F);
}

.agent-footer-meta span {
  font-size: 0.7rem;
  color: var(--ink-muted, #91A6C3);
  opacity: 0.6;
}

/* ── Shared button styles ─────────────────────────────────────────────────── */
.agent-btn {
  padding: 0.55rem 1.1rem;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  font-family: var(--body, sans-serif);
  font-size: 0.82rem;
  font-weight: 600;
  transition: background 0.15s, transform 0.1s;
}

.agent-btn-primary {
  background: var(--coral, #FF6B5F);
  color: #fff;
}

.agent-btn-primary:hover {
  background: var(--coral-deep, #E4473A);
}

.agent-btn-ghost {
  background: transparent;
  color: var(--ink-muted, #91A6C3);
  border: 1px solid var(--rule, rgba(145, 166, 195, 0.22));
}

.agent-btn-ghost:hover {
  color: var(--ink-soft, #D7E2F0);
  border-color: var(--ink-muted, #91A6C3);
}

/* ── Mobile tweaks ────────────────────────────────────────────────────────── */
@media (max-width: 480px) {
  #agent-panel {
    bottom: 0;
    right: 0;
    width: 100vw;
    height: 70vh;
    border-radius: var(--radius, 22px) var(--radius, 22px) 0 0;
  }

  #agent-toggle {
    bottom: 1rem;
    right: 1rem;
  }
}